78897356890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3181}}^1\times {\mathrm{225479}}^1$

素因数の和:228678

約数の個数: 32

約数和(自身を含む): 154975109760

約数和(自身を除く): 76077752870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 3181, 6362, 15905, 31810, 34991, 69982, 174955, 225479, 349910, 450958, 1127395, 2254790, 2480269, 4960538, 12401345, 24802690, 717248699, 1434497398, 3586243495, 7172486990, 7889735689, 15779471378, 39448678445, 78897356890]

約数ペア:

[(1, 78897356890), (2, 39448678445), (5, 15779471378), (10, 7889735689), (11, 7172486990), (22, 3586243495), (55, 1434497398), (110, 717248699), (3181, 24802690), (6362, 12401345), (15905, 4960538), (31810, 2480269), (34991, 2254790), (69982, 1127395), (174955, 450958), (225479, 349910)]